Thanks to the kernel given by @USBhost it booted.
Now Fire-Ice kernel is built in the rom and no need to flash separately.
N9F27H Vendor.img and bootloader required.
Device Tree : https://github.com/LineageOS/android...e_htc_flounder
Gravity & light Sensors
USB & OTG
1.First boot may take up to 10 minutes and device may stuck at "Google" logo for up to 5 minutes. But it does boot,just wait patiently.
2.Video hardware decoding and hw acceleration.SW decoding usable with MX Player
USBHost Fire-Ice kernel:https://forum.xda-developers.com/nex...e-ice-t2930451
Root:SuperSU 2.82 SR3 is just OK